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9 

Troubleshooting

In the following we list a few common problems that may occur during operation. We give you

some suggestions for easy troubleshooting:

Troubleshooting

 

 

UHF wireless system

34

Содержание the t.bone IEM-75

Страница 1: ...IEM 75 UHF wireless system user manual ...

Страница 2: ...Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 E mail info thomann de Internet www thomann de 15 09 2014 ID 314071 ...

Страница 3: ...llation and starting up 13 4 1 General Information 13 4 2 Transmitter 14 4 3 Receiver 16 4 4 Taking system in operation 17 5 Connections and operating elements 18 5 1 Transmitter 18 5 2 Receiver 22 6 Operating 25 6 1 Setting up the transmitter 25 6 2 Setting up the receiver 26 Table of contents IEM 75 3 ...

Страница 4: ...cal specifications 27 7 1 Transmitter 27 7 2 Receiver 28 7 3 Frequency table 30 8 Plug and connection assignment 31 9 Troubleshooting 34 10 Protecting the environment 37 Table of contents UHF wireless system 4 ...

Страница 5: ...Make sure that it is available to all persons using this device If you sell the device include the manual for the next owner Our products are subject to a process of continuous development We therefore reserve the right to make changes without notice This section provides an overview of the symbols and signal words used in this user manual Symbols and signal words General notes IEM 75 5 ...

Страница 6: ...This combination of symbol and signal word indicates a pos sible dangerous situation that can result in minor injury if it is not avoided NOTICE This combination of symbol and signal word indicates a pos sible dangerous situation that can result in material and environmental damage if it is not avoided Warning signs Type of danger Warning danger zone General notes UHF wireless system 6 ...

Страница 7: ... sufficient physical sensorial and intellectual abilities and having corresponding knowledge and experience Other persons may use this device only if they are supervised or instructed by a person who is responsible for their safety DANGER Danger for children Ensure that plastic bags packaging etc are disposed of properly and are not within reach of babies and young children Choking hazard Ensure t...

Страница 8: ...tput volume of your audio device to a medium value and use the earphones no longer than about one hour a day NOTICE Operating conditions This device has been designed for indoor use only To prevent damage never expose the device to any liquid or moisture Avoid direct sunlight heavy dirt and strong vibrations Safety instructions UHF wireless system 8 ...

Страница 9: ...ircuit breaker Failure to do so could result in damage to the device and pos sibly the user Unplug the external power supply before electrical storms occur and when the device is unused for long periods of time to reduce the risk of electric shock or fire NOTICE Risk of fire due to incorrect polarity Incorrectly inserted batteries may destroy the device or the batteries Ensure that proper polarity...

Страница 10: ...le damage by leaking batteries Leaking batteries can cause permanent damage to the device Take batteries out of the device if it is not going to be used for a longer period Safety instructions UHF wireless system 10 ...

Страница 11: ...nput 2 XLR 1 4 phone combi socket Output for headphones 1 4 phone jack with adjustable volume 19 rack mountable Operating voltage supply DC 12 V n Bodypack receiver IEM 75R Output for earphones 3 5 mm mini phone jack with adjustable volume Operating voltage supply 2 AA cells LR6 1 5 V n Earphone EP 3 Two systems can be operated simultaneously The system operates with a carrier frequency in the ran...

Страница 12: ...Included accessories 12 V power supply and hardware for rack mounting Features and scope of delivery UHF wireless system 12 ...

Страница 13: ...ng To fully protect the device against vibration dust and moisture during transportation or storage use the original packaging or your own packaging material suitable for transport or storage respectively Establish all connections as long as the unit is switched off Use the shortest possible high quality cables for all connections Installation and starting up IEM 75 13 ...

Страница 14: ...set to the same channel n Never set more than one transmitter to the same channel n Make sure that no metal objects are located between transmitter and receiver n Avoid interference by other radio and in ear systems 4 2 Transmitter The unit has been designed for rack mounting in a standard 19 inch rack it occupies one rack unit Notes on radio transmission Rack mounting Installation and starting up...

Страница 15: ...sibly the user Unplug the external power supply before electrical storms occur and when the device is unused for long periods of time to reduce the risk of electric shock or fire First connect the power adapter to the transmitter and then plug the power adapter into the power outlet Attach the included antenna to the rear panel of the transmitter To improve the transmission quality and to adapt to...

Страница 16: ...t of the controls may be required 4 3 Receiver Open the lid of the battery compartment 21 by pressing on the side latches flip the lid for ward and insert the batteries Pay attention to the correct location of the poles Close the bat tery compartment and turn on the transmitter The LED RF 14 lights up briefly Connecting audio and starting up Inserting batteries into the receiver Installation and s...

Страница 17: ...ert the earplug into the ear canal note the markings L and R for the left and right side 4 Turn on the transmitter and the receiver and test the transmission Make sure that trans mitter and receiver are set to the same channel If necessary adjust the volume on the receiver the input sensitivity of the transmitter and the levels on your mixing console or your amplifier Installation and starting up ...

Страница 18: ...5 Connections and operating elements 5 1 Transmitter Front panel of transmitter Connections and operating elements UHF wireless system 18 ...

Страница 19: ...on for about one second 2 Channel selection buttons 3 CHANNEL Shows the number of the selected channel 4 Level metre for the left and right channel 5 PHONES Socket for connecting headphones 6 Volume control for the headphone output Connections and operating elements IEM 75 19 ...

Страница 20: ... DC Socket for connecting the supplied AC adapter 8 MONO STEREO Switch for selecting the operating mode mono or stereo Rear panel of transmitter Connections and operating elements UHF wireless system 20 ...

Страница 21: ...vice that serves as signal source 10 AF LEVEL LEFT RIGHT Input sensitivity controls for the left and right channel 11 UHF antenna 12 ANTENNA BNC type chassis socket for the supplied UHF antenna Make sure that the frequency indicated on the antenna is within the range that is indicated on the transmitter Connections and operating elements IEM 75 21 ...

Страница 22: ...5 2 Receiver Connections and operating elements UHF wireless system 22 ...

Страница 23: ...n this knob clockwise past the point of resistance to turn on the receiver Turn it further to increase the volume Turn this knob counter clockwise to reduce the volume Turn it further past the point of resistance to turn off the receiver 17 PHONES 3 5 mm mini phone socket stereo for the earphones 18 Display of the selected channel 19 Rocker switch for selecting a channel Connections and operating ...

Страница 24: ...partment for 2 AA cells LR6 1 5 V or appropriate rechargeable batteries 21 Battery compartment lid 22 Clip to attach the receiver to your belt or guitar strap Connections and operating elements UHF wireless system 24 ...

Страница 25: ...same channel Use the switch MONO STEREO on the rear panel to toggle between mono and stereo opera tion The transmitter displays the levels of the left and right channel in an LED chain Set the con trols for the input sensitivity so that the bar is used up to the value 0 but without exceeding this value Channel selection Selecting the operating mode Adjusting input level Operating IEM 75 25 ...

Страница 26: ...eceiver Use the rocker switch or to increase or decrease the indicated value until the desired value is displayed Transmitter and receiver must be set to the same channel Channel selection Operating UHF wireless system 26 ...

Страница 27: ...1 4 phone socket stereo Modulation type Frequency modulation FM Carrier frequency range 863 MHz 865 MHz Number of channels 16 Transmission power 20 mW Frequency swing 40 kHz Image frequency rejection 50 dBc Maximum audio input level 20 dBV Audio frequency response 40 Hz 16 kHz Technical specifications IEM 75 27 ...

Страница 28: ...wer adapter Dimensions W D H without antenna 212 mm 95 mm 44 mm Weight 550 g 7 2 Receiver Earphones output 3 5 mm mini phone socket stereo Modulation type Frequency modulation FM Carrier frequency range 863 MHz 865 MHz Number of channels 16 Frequency swing 40 kHz Technical specifications UHF wireless system 28 ...

Страница 29: ...6 kHz THD 1 1 kHz Signal to noise ratio 86 dB A weighted Dynamic range 80 dB Audio output level 100 mW max Operating supply voltage 2 AA cells LR6 1 5 V or appropriate rechargeable batteries Operating time 8 h Dimensions W D H without antenna 105 mm 23 mm 64 mm Weight without batteries 95 g Technical specifications IEM 75 29 ...

Страница 30: ...863 900 MHz 864 500 MHz 864 900 MHz 863 200 MHz 863 300 MHz 863 400 MHz 863 500 MHz Channel 9 Channel 10 Channel 11 Channel 12 Channel 13 Channel 14 Channel 15 Channel 16 863 600 MHz 863 700 MHz 863 800 MHz 864 000 MHz 864 100 MHz 864 200 MHz 864 300 MHz 864 400 MHz Technical specifications UHF wireless system 30 ...

Страница 31: ...nductors one core plus shielding are typical representatives of the unbalanced transmission One conductor is ground and shielding while the signal is trans mitted through the core Unbalanced transmission is susceptible to electromagnetic interference especially at low levels such as microphone signals and when using long cables In a professional environment therefore the balanced transmission is p...

Страница 32: ... completely neutralized The result is a pure signal without any noise inter ference 1 Signal in phase 2 Signal out of phase 3 Ground 1 Signal left 2 Signal right 3 Ground shielding 1 4 TRS phone plug mono bal anced Three pole 1 8 mini phone jack stereo unbalanced Plug and connection assignment UHF wireless system 32 ...

Страница 33: ...1 Ground shielding 2 Signal in phase 3 Signal out of phase XLR plug balanced Plug and connection assignment IEM 75 33 ...

Страница 34: ...9 Troubleshooting In the following we list a few common problems that may occur during operation We give you some suggestions for easy troubleshooting Troubleshooting UHF wireless system 34 ...

Страница 35: ...io device match to the input requirements of the transmitter 4 See if the sound transmission works when you move the receiver closer to the transmitter 5 Make sure that no metal objects near the transmitter or receiver obstruct the transmission Transmission is interrupted 1 Modify the orientation of the antennas 2 If you use more than one wireless system at the same time check the used frequency g...

Страница 36: ...EVEL controls on the transmitter 2 Check the charging level of the batteries in the receiver If the procedures recommended above do not succeed please contact our Service Center You can find the contact information at www thomann de Troubleshooting UHF wireless system 36 ...

Страница 37: ...ousehold waste but make sure that they are fed to a recovery Please follow the notes and markings on the packaging Batteries must not be disposed of as domestic waste or thrown into fire Dispose of the bat teries according to national or local regulations regarding hazardous waste To protect the environment dispose of empty batteries at your retail store or at appropriate collection sites Disposal...

Страница 38: ...sehold waste Dispose this device through an approved waste disposal firm or through your local waste facility When discarding the device comply with the rules and regulations that apply in your country If in doubt consult your local waste disposal facility Disposal of your old device Protecting the environment UHF wireless system 38 ...

Страница 39: ......

Страница 40: ...Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany www thomann de ...

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